/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Starts traveling to the given URL. The required packages will be loaded async andTick()will perform the transition once we are ready
whether or not we succeeded in starting the travel
bool StartTravel ( [UWorld](API\Runtime\Engine\Engine\UWorld) * InCurrentWorld, const [FURL](API\Runtime\Engine\Engine\FURL) & InURL )